<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org"
      xmlns:layout="http://www.ultraq.net.nz/web/thymeleaf/layout"
      layout:decorator="base/layout.html">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div layout:fragment="content">
    <p th:text="'Hello！, ' + ${name} + '!'" >3333</p>
789
</div>

</body>
</html>